28292936 has 16 divisors (see below), whose sum is σ = 60627840. Its totient is φ = 12125520.

The previous prime is 28292923. The next prime is 28292963. The reversal of 28292936 is 63929282.

It is a junction number, because it is equal to n+sod(n) for n = 28292893 and 28292902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252560 + ... + 252671.

It is an arithmetic number, because the mean of its divisors is an integer number (3789240).

Almost surely, 2^28292936 is an apocalyptic number.

It is an amenable number.

28292936 is an abundant number, since it is smaller than the sum of its proper divisors (32334904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28292936 is a wasteful number, since it uses less digits than its factorization.

28292936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505244 (or 505240 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 28292936 is about 5319.1104519459. The cubic root of 28292936 is about 304.7141853516.

The spelling of 28292936 in words is "twenty-eight million, two hundred ninety-two thousand, nine hundred thirty-six".